@book{156742,
	author = {Evans, David G.},
	title = {Drug testing law, technology, and practice},
	publisher = {Callaghan},
	year = {1990-},
	address = {Deerfield, Ill.},
	note = {Includes index.},
	url = {http://lawschool.westlaw.com/shared/marketinfodisplay.asp?code=so&id=2&subpage=3}
}